org.apache.tinkerpop.gremlin.hadoop.structure.io.script

Class ScriptInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,VertexWritable>

org.apache.tinkerpop.gremlin.hadoop.structure.io.script.ScriptInputFormat

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, HadoopPoolsConfigurable

public final class ScriptInputFormat
extends org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,VertexWritable>
implements HadoopPoolsConfigurable

Author:

Marko A. Rodriguez (http://markorodriguez.com), Daniel Kuppitz (http://gremlin.guru)

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

org.apache.hadoop.mapreduce.lib.input.FileInputFormat.Counter

Constructor Summary

Constructors

Constructor and Description
ScriptInputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,VertexWritable>	createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context)
protected boolean	isSplitable(org.apache.hadoop.mapreduce.JobContext context, org.apache.hadoop.fs.Path file)

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

addInputPath, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, listStatus, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.tinkerpop.gremlin.hadoop.structure.io.HadoopPoolsConfigurable

getConf, setConf

Constructor Detail

ScriptInputFormat

public ScriptInputFormat()

Method Detail

createRecordReader

public org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,VertexWritable> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
                                                                                                                     org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                              throws IOException,
                                                                                                                     InterruptedException

Specified by:

createRecordReader in class org.apache.hadoop.mapreduce.InputFormat<org.apache.hadoop.io.NullWritable,VertexWritable>

Throws:

IOException

InterruptedException

isSplitable

protected boolean isSplitable(org.apache.hadoop.mapreduce.JobContext context,
                              org.apache.hadoop.fs.Path file)

Overrides:

isSplitable in class org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.hadoop.io.NullWritable,VertexWritable>